# An urn contains 6red, 5 blue and 2 green marbles. If three marbles are picked at random, what is the probability that at least one is blue

1.  28/143

2.  115/197

3.  28/197

4.  115/143

4

115/143

Explanation :
No Explanation available for this question

# The probability that a man will be alive for 25 years is 3/5 and the probability that his wife will be alive for 25 years is 2/3. Find the probability that only the man will be alive for 25 years.

1.  2/5

2.  1/5

3.  3/5

4.  4/5

4

1/5

Explanation :
No Explanation available for this question

# In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green

1.  1/3

2.  3/4

3.  7/19

4.  8/21

4

1/3

Explanation :
No Explanation available for this question

# If three balls are randomly drawn from the bag, then what is the probability that al least 1 is red.

1.  199/364

2.  25/364

3.  1/12

4.  1/364

5.  None of these

5

199/364

Explanation :
No Explanation available for this question

# The probability that a card drawn from a pack of 52 cards will be a diamond  or a  king, is

1.  2/13

2.  4/13

3.  1/13

4.  1/52

4

4/13

Explanation :
No Explanation available for this question

# If three balls are randomly drawn from the bag, then what is the probability that one is Blue and other 2 are of other than Blue.

1.  3/18

2.  25/18

3.  45/91

4.  1/4

5.  None of these

5

45/91

Explanation :
No Explanation available for this question

# Two disc are thrown simultaneously. What is the probability of getting two numbers whose product is even

1.  1/2

2.  3/4

3.  3/8

4.  5/16

4

3/4

Explanation :
No Explanation available for this question

# Mr. Bagdi purchased an Air Conditioner for Rs. 12,000/- and sold it for Rs. 15,000/-. What was the profit percentage

1.  25

2.  35

3.  20

4.  15

5.  None of these

5

25

Explanation :
No Explanation available for this question

# A dishonest dealer sells his goods at the cost price but still earns a profit of 25% by underweighing. What weight does he use for a kg

1.  750 g

2.  800 g

3.  825 g

4.  850 g

5.  None of these

5

800 g

Explanation :
No Explanation available for this question

# On selling an item for 96 Rs a man gains 20%. In order to gain 35%. What will be the increase in the selling price

1.  10 Rs

2.  12 Rs

3.  13 Rs

4.  15 Rs

5.  None of these

5